Develop Google Calendar solutions.

Insert interactive content, powered by your account data or an external service, with Add-ons.
  • Show contextual details from a third-party system when users view or create events.
  • Show your custom conferencing solution when users create an event.
Anyone can use Apps Script to automate and enhance Google Calendar in a web-based, low-code environment.
  • Create events based on Google Form submissions.
  • Update events or calendars from Google Sheets.
  • Insert calendar data into Google Sheets for review.
Use the REST APIs below to interact programmatically with Google Calendar.
Read and update calendars with several popular programming languages, such as Java, JavaScript, and Python.
Use Google's CalDAV server to read and update calendar data.
Want to see the Google Calendar API in action?
The Google Workspace Developers channel offers videos about tips, tricks, and the latest features.

Join a live Google Workspace Developer Summit near you
A full-day event led by the Google Workspace Developer Relations team where you get to explore emerging technologies on the Google Workspace platform and learn to build creative and unique solutions.
September 12 in Boston, USA
September 17 in Berlin, Germany